Analysis
- max time kernel
137s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
29/07/2024, 10:41
General
- Target Wsp1Y2kaMZ5npFn.exe
- Size 866KB
- Sample240729-mrcsysthll
- SHA256 6030faadae8d2aa1b94b06da9c0d4ed3ce33076a1bc04218027519b1043a6a95
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main payload 1 IoCs
- Deletes itself 1 IoCs
- Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 11 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Wsp1Y2kaMZ5npFn.exe"C:\Users\Admin\AppData\Local\Temp\Wsp1Y2kaMZ5npFn.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Wsp1Y2kaMZ5npFn.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Wsp1Y2kaMZ5npFn.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Wsp1Y2kaMZ5npFn.exe"{path}"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\Wsp1Y2kaMZ5npFn.exe'3⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Wsp1Y2kaMZ5npFn.exe.log
__PSScriptPolicyTest_obht0nbj.wft.ps1
memory/556-35-0x0000000005630000-0x0000000005984000-memory.dmp
memory/556-41-0x00000000061C0000-0x00000000061E2000-memory.dmp
memory/556-39-0x0000000006100000-0x000000000611A000-memory.dmp
memory/556-38-0x0000000007230000-0x00000000078AA000-memory.dmp
memory/556-37-0x0000000005C10000-0x0000000005C5C000-memory.dmp
memory/556-36-0x0000000005BF0000-0x0000000005C0E000-memory.dmp
memory/556-19-0x0000000074860000-0x0000000075010000-memory.dmp
memory/556-40-0x0000000006E50000-0x0000000006EE6000-memory.dmp
memory/556-44-0x0000000074860000-0x0000000075010000-memory.dmp
memory/556-25-0x0000000005550000-0x00000000055B6000-memory.dmp
memory/556-24-0x00000000054B0000-0x00000000054D2000-memory.dmp
memory/556-22-0x0000000074860000-0x0000000075010000-memory.dmp
memory/556-23-0x0000000004D50000-0x0000000005378000-memory.dmp
memory/556-21-0x0000000002330000-0x0000000002366000-memory.dmp
memory/556-20-0x0000000074860000-0x0000000075010000-memory.dmp
memory/1080-17-0x0000000074860000-0x0000000075010000-memory.dmp
memory/1080-12-0x0000000074860000-0x0000000075010000-memory.dmp
memory/1080-18-0x0000000074860000-0x0000000075010000-memory.dmp
memory/1080-16-0x0000000005360000-0x00000000053C6000-memory.dmp
memory/1080-15-0x00000000058A0000-0x0000000005E44000-memory.dmp
memory/1080-14-0x0000000074860000-0x0000000075010000-memory.dmp
memory/1080-9-0x0000000000400000-0x0000000000486000-memory.dmp
memory/3528-8-0x0000000007C60000-0x0000000007CF8000-memory.dmp
memory/3528-13-0x0000000074860000-0x0000000075010000-memory.dmp
memory/3528-0-0x000000007486E000-0x000000007486F000-memory.dmp
memory/3528-7-0x0000000005520000-0x00000000055BC000-memory.dmp
memory/3528-6-0x0000000074860000-0x0000000075010000-memory.dmp
memory/3528-5-0x000000007486E000-0x000000007486F000-memory.dmp
memory/3528-4-0x0000000005070000-0x0000000005102000-memory.dmp
memory/3528-3-0x0000000004DF0000-0x0000000004E02000-memory.dmp
memory/3528-2-0x0000000004EC0000-0x0000000004F5C000-memory.dmp
memory/3528-1-0x0000000000430000-0x000000000050E000-memory.dmp